Compilare: user.c:6: warning: implicit declaration of function 'sqrt' user.c:6: warning: incompatible implicit declaration of built-in function 'sqrt' user.c: In function 'main': user.c:53: warning: format '%d' expects type 'int *', but argument 2 has type 'long int *' user.c:53: warning: format '%d' expects type 'int *', but argument 3 has type 'long int *' user.c:77:2: warning: no newline at end of file